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Vogt L Series, Service Manual

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Vogt L Series Service Manual Download Page 6

6

3.3  

Centrifugal Pump 

3.3.1   

L Series Sectional Cutting Model 25-Cast Iron and Bronze Execution

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Equipment 

Description

 

Summary of Contents for L Series

Page 1: ......

Page 2: ...s of the equipment purchased The design materials and workmanship incorporated in the construction of VOGT pumps allow for a long trouble free service life The life and satisfactory performance of VOGT pumping equipment in any case depends on a correct application installation and also on a periodic inspection and careful maintenance VOGT S A will not be responsible for physical injury damage or o...

Page 3: ...d verifying the correct oil level in the bearing body in models that use oil lubrication To ensure the correct lubrication of both bearings it is required that the equipment is correctly leveled horizontal horizontal Always keep the pump at least one meter away from building walls or other equipment during operation to avoid fire and to provide adequate ventilation Always perform inspection before...

Page 4: ...ent The working conditions indicated in the order cannot be modified Should this occur VOGT S A must be informed Improper use outside the working conditions or assembly disassembly by untrained personnel may result in risks to life the pump and other accessories in use or normal operation of the equipment In order to benefit during the warranty period from the Guarantee offered by VOGT S A it is n...

Page 5: ...this manual must be complied with in their entirety Pumps should not be used for purposes other than the service conditions stipulated at the time of purchase The nameplate installed on the pump describes the most important features of the equipment purchased 1 Serial Number 2 Flow rate m h 3 Curve Type 4 Number of Stages 5 Sealing Type 6 Type of Execution 7 Pump Mat 8 Pump Model 9 Series 10 Head ...

Page 6: ...08 2 09 1 14 04 30 11 11 01 18 02 24 02 4 01 10 13 5 10 28 17 10 02 5 03 24 04 9 03 7 n 38 10 03 19 11 28 06 29 05 26 04 25 08 30 04 10 01 19 08 28 03 27 n 14 05 30 11 4 03 4 04 11 02 18 03 35 5 05 5 06 24 05 24 06 9 05 9 06 38 28 09 30 06 25 08 26 04 29 05 28 06 24 07 19 09 19 11 2 01 19 09 18 06 29 04 Equipment Description ...

Page 7: ...5 18 03 18 02 Suction Side PS Seal Bushing 4 01 Suction Side Bearing Body 2 09 Guiding Crown PS Seal Bushing Discharge Side Pin Perforated Cover Body Bearing 10 13 Table 1 Denomination Number Body Bearing Discharge Side 6 to 10 Stages Grease Cap Spacer bushing PS seal and packing gland Oring body stage Oring seal bushing Oring seal housing Pump body Elastic ring Seager locking perforated cover bea...

Page 8: ...0 03 14 04 30 11 11 01 18 02 24 02 4 01 10 13 5 10 28 17 10 02 5 03 24 04 9 03 7 n 10 03 38 19 11 28 06 29 05 26 04 25 08 18 06 30 04 10 01 19 08 2 02 2 08 2 09 18 12 1 30 09 28 03 27 n 14 05 30 11 4 03 11 02 18 03 35 5 06 24 06 31 01 25 10 30 06 25 08 26 04 29 05 28 06 19 11 19 09 28 09 38 9 06 2 01 19 09 18 12 ...

Page 9: ...al holder box suction side Seal holder box discharge side PS suction side seal bushing PS seal bushing discharge side Spacer bushing seal PS and PE Cermized spacer bushing impeller ORing body stage ORing seal bushing ORing seal housing pump body Elastic ring Seager locking perforated cover bearing body Seager safety cap blind cover bearing body 6 to 10 stages Bearing body bolt Pump body Shaft end ...

Page 10: ...9 08 1 19 10 19 09 25 08 25 11 30 09 28 03 27 n 4 10 4 11 15 05 25 11 38 25 03 5 04 35 25 10 31 01 9 09 9 10 28 09 11 02 10 01 30 04 30 06 19 09 25 08 18 03 19 10 10 04 2 01 18 06 4 12 4 13 9 07 9 08 Figure 5 Equipment Description 3 3 5 L Series Sectional Cutting Model 32 40 and 50 Cast Iron and Bronze Construction ...

Page 11: ...Nut 38 Golilla Water Cutter 30 03 Suction Side Priming Plug 30 04 Suction Side Drain Plug 30 06 Drain Plug Discharge Side 30 09 Pressure Tap Plug 31 01 Shaft End Stop 18 06 PS Seal Spacer Bushing and Gathering Press 19 08 O Ring Body Stage 19 09 19 10 O Ring Seal Holder Flange 25 03 Bearing Body Cover Bolt 25 08 Bearing Body Bolt Pump Body 25 10 Shaft End Stop Bolt 25 11 Bolt Flange Seal 27 n Tigh...

Page 12: ... 5 03 9 03 7 n 38 19 10 19 09 25 08 10 03 30 09 28 03 27 n 4 12 4 13 15 05 25 11 25 03 38 5 04 30 06 19 09 25 08 18 03 19 10 11 02 28 09 35 25 10 31 01 9 09 9 10 10 01 18 06 30 04 2 01 18 12 18 12 Figure 6 Equipment Description 3 3 7 L Series Sectional Cutting Model32 40and50 AISI316StainlessSteel Construction ...

Page 13: ...Side Bearing Body 2 09 Guiding Crown 4 12 Discharge Side Bearing Body L32 from 6 to 9 Stages 4 13 Discharge Side Bearing Body L40 from 5 to 7 Stages Discharge Side Bearing L40 9 10 O Ring Bushing Seal 18 03 18 02 PS Seal Bushing Suction Side PS Seal Bushing Discharge Side Grease Fitting Body Cover Bearing 35 28 03 Nut Tightening Stud 28 09 Axle Lock Nut 38 Golilla Water Cutter 30 03 Suction Side P...

Page 14: ... 19 35 28 12 31 27 DETAIL Y 2 1 24 23 22 9 38 6 3 4 1 5 2 17 39 41 25 42 31 45 46 40 40 7 37 41 42 42 43 44 29 13 17 11 30 15 32 36 26 16 34 14 Y X Figure 7 Equipment Description 3 3 9 L Series Sectional Cutting ModelL80 2 and3StagesNodular CastIronConstruction ...

Page 15: ... Ring L80 20 Seager Insurance 0450 D1400 21 SKF bearing NU 409 22 SKF 6409 Bearing 23 Retaining Washer MB9 24 KM9 Lock Nut 25 Vogt Seal M300 55mm 26 Vogt Seal M100 55mm 27 O Ring Nº 2 278 28 O Ring Nº 2 224 29 V ring VA 55 30 Teadit NA 1002 packing 1 64 31 Impeller Key Bushing 12 x 8 x 90 32 Impeller Key 12 x 8 x 75 33 Key Male Side 14 x 9 x 100 34 Key Bushing Seal M100 12 x 8 x 30 35 1 2 UNF x 1 ...

Page 16: ...ModelL80 2and3StagesStainlessSteelExecution 16 10 34 8 37 22 7 DETAIL X 2 1 21 19 20 35 29 12 32 28 DETAIL Y 2 1 25 24 38 6 3 4 1 5 2 17 41 26 42 32 45 46 40 7 37 38 14 42 42 43 44 30 15 17 11 31 16 33 13 27 18 39 39 36 31 X Y Figure 8 Equipment Description ...

Page 17: ...Seal M300 15 Discharge Spacer Bushing L80 Seal M100 16 Stationary Porta Flange M300 17 Tightening Stud For n Stages 7 8 18 Tightening Stud For n Stages 7 8 Short 19 Split Ring Stop L80 20 Split Ring L80 21 Seager Insurance 0450 D1400 22 SKF bearing NU 409 23 SKF 6409 Bearing 24 Retaining Washer MB9 25 KM9 Lock Nut 26 Seal M300 55mm 27 Seal M100 55mm 28 O Ring Nº 2 278 29 O Ring Nº 2 224 30 V ring ...

Page 18: ...dularCastIronExecution 12 37 9 23 7 22 20 21 38 15 13 35 36 29 26 25 24 10 39 4 1 5 2 18 42 27 43 35 36 36 38 39 43 43 46 18 33 41 50 34 8 DETAIL X 2 1 11 40 52 DETAIL Y 2 1 50 41 52 40 34 30 28 17 14 19 42 42 11 53 48 45 45 51 50 3 49 6 A A CUT A A 44 44 47 B B CUT B B 43 44 16 31 32 32 X Y Figure 9 ...

Page 19: ...ng L80 22 Seager Insurance 0450 D1400 23 SKF NU 409 Bearing 24 SKF 7409 Angular Contact Bearing 25 Retaining Washer MB9 26 KM9 Locking Nut 27 Mechanical Seal Vogt M300 55mm 28 Mechanical Seal Vogt C 1750 55mm 29 O Ring Nº 2 278 30 O Ring Nº 2 224 31 O Ring Nº 2 132 32 O Ring N 2 047 33 Oil Retainer CR 45 x 65 x 10 HMSA10 34 Oil Retainer CR 55 x 72 x 10 HMSA10 35 Impeller key Hub 12 x 8 x 90 36 Imp...

Page 20: ...odel 25 Nodular Cast Iron and Bronze Construction Dimensions in Millimeters Mod els No of Stages Flanges Pumps Legs Axis Bearings Suction Download Mod els Construction Stainless Steel AISI 316 Dimensions in Millimeters No of Stages Flanges Pumps Legs Axis Bearings Suction Download Standard Perf qty ...

Page 21: ...odel 32 Mod els Mod els Nodular Cast Iron and Bronze Construction Dimensions in Millimeters Construction Stainless Steel AISI 316 Dimensions in Millimeters No of Stages Flanges Pumps Legs Axis Bearings Suction Download No of Stages Flanges Pumps Legs Axis Bearings Suction Download Standard Perf qty ...

Page 22: ...Series Model 40 Mod els Mod els Nodular Cast Iron Execution Dimensions in Millimeters Construction Stainless Steel AISI 316 Dimensions in Millimeters No of Stages Flanges Pumps Legs Axis Bearings Suction Download No of Stages Flanges Pumps Legs Axis Bearings Suction Download Standard Perf qty ...

Page 23: ...Description 3 3 18 Pump Dimensions L Series Model 50 Mod els Mod els Nodular Cast Iron and Bronze Construction Dimensions in Millimeters Construction Stainless Steel AISI 316 Dimensions in Millimeters No of Stages Flanges Pumps Legs Axis Bearings Suction Download No of Stages Flanges Pumps Legs Axis Bearings Suction Download Standard Perf qty ...

Page 24: ...4 80 125 260 388 200 260 50 50 380 320 45 115 NU409 6409 294 L80 2 and 3 Stages 200 270 125 5 DN 1 DN DN 2 80 3 D 8 220 27 G 18 160 K 8 DIN 2535 PN 40 DIN 2535 PN 40 Equipment Description 3 3 19 Dimensions of L Series Pumps Model 80 2 and 3 stages Mod els Nodular Cast Iron and Stainless Steel Construction Dimensions in Millimeters No of Stages Flanges Pumps Legs Axis Bearings Suction Download Stan...

Page 25: ...60 462 200 260 50 50 380 320 45 115 NU409 7409 BECBJ 397 L80 3 and 4 Stages 215 270 125 5 DN 1 DN DN 2 80 3 D 8 220 27 G 22 170 K 8 DIN 2535 PN 40 DIN 2546 PN 64 Figure 15 Table 13 Equipment Description 3 3 20 Dimensions of L Series Pumps Model 80 4 and 5 stages Mod els Nodular Cast Iron Execution Dimensions in Millimeters No of Stages Flanges Pumps Legs Axis Bearings Suction Download Standard Per...

Page 26: ... handling of the equipment must be carried out with means suitable for the weight to be supported the weight is generally indicated on the delivery note or on the nameplate if this is not the case and there is no certainty of being able to handle the equipment please contact VOGT to indicate the weight For handling the equipment that requires it has appropriate eyebolts on the base plate However r...

Page 27: ...sible freezing of the contained fluid CAUTION 4 3 Storage Instructions 4 3 1 Before Storage Storage should be in a place protected from the outside away from shocks solar radiation dust humidity and flooding The pumping equipment should not be stacked on top of each other even if the type of packaging makes this possible The pump and auxiliary lines should be kept clear of the pumping fluid It is ...

Page 28: ...design of piping systems anchorages and other areas of the installation is not the responsibility of VOGT S A VOGT S A only offers the data and comments as an aid but cannot assume responsibility for the design assembly and operation of an installation It is recommended that the client consult a specialist in the design of foundations piping wells etc to complement and interpret the information pr...

Page 29: ... and level The unit shall be fastened to this foundation by means of suitable anchor bolts to avoid possible vibrations due to operation 5 4 Anchor Bolts VOGT S A supplies the pumping equipment with bases these must be anchored to the foundation by means of anchor bolts as shown in figure 17 and applying the tightening torque according to table Nº 14 L SERIES EQUIPMENT BASE ANCHORING CARBON STEEL ...

Page 30: ...d broken or misaligned when the piping is not aligned with the axes corresponding to the suction and discharge of the pump The position of the suction and discharge ports must be totally parallel and with their axes concentric to the pipes in order to minimize stresses in the pump necks that deform it or produce a misalignment of the axes Do not forget to place gaskets between the joints CAUTION D...

Page 31: ... tight and always rising towards the pump generally larger in diameter than the pump suction flange The diffuser cone for the adaptation shall be eccentric with the upper part horizontal Check that at the normal duty point the NPSH required by the pump is at least 0 5 m lower than the available NPSH of the installation To prevent the pump from overpriming at a standstill a foot valve should be pla...

Page 32: ...f expansion joints as part of the piping system that connects to the pump when conditions warrant it see figure 22 Even though the absorption of axial movements caused by temperature changes is the main work performed by the expansion joints they also act as vibration isolators reducing the propagation of vibrations produced by the operation of the equipment through the piping system and also act ...

Page 33: ...ortant to check and correct the alignment when necessary see figure 23 If the equipment handles high temperature fluids the final alignment should be done with the equipment at operating temperature The equipment should always be aligned after everything is assembled and ready for start up The correct alignment of the standard coupling consists of correcting the possible errors of parallelism and ...

Page 34: ...mulation of air in the suction system The procedure is as follows 6 2 Pump Priming CAUTION Start up 6 1 Before start up After a pump has been installed and all mechanical hydraulic and electrical connections have been made it is ready for commissioning However prior to initial start up the following is recommended 1 Figure 24 6 3 Minimum Flow Rate It must be taken into account that there is a mini...

Page 35: ...irection of rotation of the motor is correct when it coincides with the direction indicated by the arrow cast on the pump casing counterclockwise when looking at the motor facing the shaft see section 6 5 2 Checking the Direction of Rotation 6 6 1 Instructions for the Connection of Three Phase Electric Motors To make a delta connection the bridges are placed in the electric motor box connecting U ...

Page 36: ...T throttle the suction of the pump throttling the suction of a centrifugal pump causes a reduction of the absolute pressure at the impeller inlet This is very harmful for the pump since it causes erosion and premature destruction of its components product of the phenomenon called cavitation Suction throttling is only allowed when the available NPSH of the installation exceeds by a wide margin the ...

Page 37: ... that the pump is primed o Verify that all guards are properly installed o Verify that all guards are properly installed o Verify that there are no loose parts and or lubricant residues near the pump and its moving parts 6 8 1 3 Engine Considerations o Verify correct electrical connection o Verify the regulation of protections o Verify that all the protections are correctly installed o Verify the ...

Page 38: ... adequately lubricated in order to avoid direct metallic contact between the rotating elements raceways and cages also avoiding wear and protecting the bearing surfaces against corrosion Therefore the choice of the right lubricant and lubrication method as well as proper maintenance are matters of great importance 7 2 1 Grease Lubricated Bearings There is an extensive range of greases available fo...

Page 39: ... should be changed after the first 200 operating hours for new bearings and then every 2000 operating hours or 3 months depending on which comes first Before changing the oil the pump must be started in order to fluidize the oil Loosen the upper vent plug and the lower drain plug Drain the oil from the support and let it drain Replace the lower plug and proceed with the filling as indicated in the...

Page 40: ...ent hole until the oil begins to be seen through the connection elbow and the level is between the middle and the apex of the connection tube see figure 27 3 Wait until all the oil drains out and the oil level in the connection elbow no longer changes WORKING POSITION RESERVE TANK CONNECTION ELBOW OIL LEVEL FOR CORRECT OPERATION VENT PLUG Figure 26 Maintenance ...

Page 41: ...27 Never pour oil directly into the oil level maintainer connection elbow but into the oil level maintainer reservoir 5 Fill the reservoir tank with oil see figure 28 a and return it to the working position see figure 28 b The oil will flow down from the reservoir to fill the bearing body When inside the reservoir once placed in the working position the level no longer drops and the reservoir is p...

Page 42: ...entilation plug on the bearing body see figure 29 FILL IN HERE FILLING LEVEL OF THE RESERVE TANK POSITION TO FILL b a OIL LEVEL FOR CORRECT OPERATION VENT PLUG RESERVE TANK CONNECTION ELBOW DRAIN PLUG Figure 28 Figure 29 Maintenance ...

Page 43: ...ds Connecting Pipework Suction Discharge Figure 30 Maintenance 7 3 Engine Lubrication The lubrication of the motor should be done according to the indications given by the motor manufacturer however consider that some motor manufacturers for their standard lines contemplate that motors of less than 50 HP do not need relubrication since these motors have sealed bearings and that only motors of more...

Page 44: ...c Ring Seal JT SMI 18 11 JT Seal Holder Box Suction Side 14 09 Mechanical Seal JT Suction Side 11 03 Spacer Bushing JT and SMI Seal Suction Side 18 13 Shaft for n Stages JT and SMI seal 7J n Mechanical Seal JT 860 BMR 35mm Balanced Suction and Discharge Seal Mechanical Seal JT Discharge Side Balanced 11 04 JT SMI Seal Holder Box Discharge Side 14 11 31 02 10 12 18 11 14 10 11 10 18 13 7J n 7J n 11...

Page 45: ...MI 910 Ø 1 3 8 Shaft for n Stages JT and SMI Seal Taps Suction Side SMI Seal Flange SMI Mechanical Seal Discharge Side Balanced Mechanical Seal SMI Suction Side JT and SMI Shaft Seal Lock Nut JT SMI Elastic Ring Seal Stopper PS Seal Spacer Bushing and Gathering Press JT and SMI Flange Seal Gasketing Bushing Spacer Bushing Stop Elastic Ring Seal JT SMI Flange Suction Seal JT and Discharge JT SMI 26...

Page 46: ...ipe partially closed valve foreign bodies 4 The impeller ducts are partially clogged Check and release obstruction 5 Air enters the suction pipe Check and repair damaged ducts and defective joints 6 Damaged internal mechanical adjustments of the pump Consider a pump repair 7 The foot valve or pipe is not sufficiently submerged Check and submerge as necessary Check and replace all pump sealing part...

Page 47: ... high insufficient NPSH Check that NPSHavailable NPSHrequired Check the geometric suction head Check head losses in the suction pipe partially closed valve foreign bodies 4 The impeller is partially clogged causing unbalance Check and clear blockages Check bearings for damage 5 There are mechanical problems such as bent shaft seized parts Check and consider repair 8 5 Pump Breaks Down After Start ...

Page 48: ...vice is the only one authorized to intervene in equipment within the warranty period If the pump does not work properly DO NOT disassemble it look for the fault in the installation All VOGT equipment has been satisfactorily tested at the factory The details of the pumping equipment warranty such as conditions of validity equipment identification and terms of coverage are specified and detailed in ...

Page 49: ... Hydraulic analyses and installations Reverse engineering Retrieval and manufacturing of centrifuge pump components Casting and manufacturing of parts in different metalworking facilities ln Site Repairs Assessment and diagnosis Modifications and improvements of rotary equipment Pump Assembly Field Assistance operation control and in site installations per man hours Multi Equipment Post Sale Servi...

Page 50: ...y located in strategic areas Each one of them is equipped with a multidisciplinary work team trained to propose efficient solutions to the real needs of our clients and to be attentive to solve in an agile way the imponderables that the industrial processes present At present we have an Industry 4 0 plan with solutions focused on two key pillars which are energy efficiency and displacement of foss...

Page 51: ...Salado 0851 Quilicura vogt vogt cl LATAM COMMERCIAL OFFICE 54 9 3874 58 1822 argentina vogt cl COMMERCIAL OFFICE IQUIQUE 56 55 245 6600 56 9 6229 4764 iquique vogt cl COPIAPÓ BRANCH 56 52 2210 954 Panamericana Norte 3604 Local 3 Bodega 3 copiapo vogt cl SOUTH AREA BRANCH 56 65 2438 761 Achao 618 puerto montt vogt cl ...

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